Tropical medicine and health · 2026
Optimization of regional echinococcosis control strategies in Xizang: a health economics perspective.
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Wang Zhiyi, Gongsang Quzhen, Jiang Mingzhe, Lei Jiaxi, Yang Pin, Wang Ying, Wang Liying
Аннотация
BACKGROUND: Echinococcosis remains a major public health concern in Xizang, China, where comprehensive control measures have been implemented for many years. Evaluating the cost-effectiveness of key interventions, including population screening, patient treatment, and dog deworming, is essential for optimizing control strategies and improving health resource allocation.
METHODS: Annual data on the three major echinococcosis prevention and control measures implemented in 74 counties of Xizang between 2015 and 2022 were collected. The costs of population screening, patient treatment, and dog deworming were estimated. By comparing the actual disability-adjusted life years (DALYs) of echinococcosis in each county with the estimated DALYs under a no-intervention scenario, the DALYs averted by the prevention and control measures were quantified. Cost-effectiveness analysis was conducted using the incremental cost-effectiveness ratio (ICER) and the ICER-to-GDP ratio.
RESULTS: From 2015 to 2022, the total investment in the three major prevention and control measures for echinococcosis in Xizang amounted to 14,519.41 10k CNY. During this period, the interventions cumulatively averted 12,531.9 DALYs. The average ICER was 1.16 10k CNY per DALY averted, corresponding to an ICER-to-GDP ratio of 0.20. Overall, the implemented interventions demonstrated favorable cost-effectiveness and health benefits in most regions, although substantial disparities were observed across different areas. Notably, eight counties had an ICER exceeding 6.00 10k CNY/DALY, and ten counties had an ICER-to-GDP ratio greater than 1.
CONCLUSIONS: The comprehensive echinococcosis prevention and control measures in Xizang have significantly reduced the disease burden and demonstrated overall favorable cost-effectiveness. However, cost-effectiveness varied considerably across regions. Strategies should be dynamically adjusted based on local epidemiological characteristics, with targeted interventions implemented to optimize health resource allocation and improve prevention and control efficiency.
METHODS: Annual data on the three major echinococcosis prevention and control measures implemented in 74 counties of Xizang between 2015 and 2022 were collected. The costs of population screening, patient treatment, and dog deworming were estimated. By comparing the actual disability-adjusted life years (DALYs) of echinococcosis in each county with the estimated DALYs under a no-intervention scenario, the DALYs averted by the prevention and control measures were quantified. Cost-effectiveness analysis was conducted using the incremental cost-effectiveness ratio (ICER) and the ICER-to-GDP ratio.
RESULTS: From 2015 to 2022, the total investment in the three major prevention and control measures for echinococcosis in Xizang amounted to 14,519.41 10k CNY. During this period, the interventions cumulatively averted 12,531.9 DALYs. The average ICER was 1.16 10k CNY per DALY averted, corresponding to an ICER-to-GDP ratio of 0.20. Overall, the implemented interventions demonstrated favorable cost-effectiveness and health benefits in most regions, although substantial disparities were observed across different areas. Notably, eight counties had an ICER exceeding 6.00 10k CNY/DALY, and ten counties had an ICER-to-GDP ratio greater than 1.
CONCLUSIONS: The comprehensive echinococcosis prevention and control measures in Xizang have significantly reduced the disease burden and demonstrated overall favorable cost-effectiveness. However, cost-effectiveness varied considerably across regions. Strategies should be dynamically adjusted based on local epidemiological characteristics, with targeted interventions implemented to optimize health resource allocation and improve prevention and control efficiency.